Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1994-04-19
Phys.Lett.B331:321-329,1994
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, CERN-TH.7218/94, HUN-IEP-94/5, LPTENS-94/10 (references updated)
Scientific paper
10.1016/0370-2693(94)91059-6
We analyse the stringy gravitational wave background based on the current algebra $E^{c}_{2}$. We determine its exact spectrum and construct the modular invariant vacuum energy. The corresponding N=1 extension is also constructed. The algebra is again mapped to free bosons and fermions and we show that this background has N=4 (N=2) unbroken spacetime supersymmetry in the type II (heterotic case).
Kiritsis Elias
Kounnas Costas
Luest Dieter
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